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Date: Mon, 26 Apr 2021 17:19:07 +0000
From: Joseph Myers <joseph@codesourcery.com>
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To: Alejandro Colomar <alx.manpages@gmail.com>
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Subject: Re: [RFC] bpf.2: Use standard types and attributes
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On Sat, 24 Apr 2021, Alejandro Colomar via Libc-alpha wrote:

> Some pages also document attributes, using GNU syntax
> '__attribute__((xxx))'.  Update those to use the shorter and more
> portable C2x syntax, which hasn't been standardized yet, but is
> already implemented in GCC, and available through either --std=c2x
> or any of the --std=gnu... options.

If you mention alignment in the manpage at all, the same reasoning would 
say you should use _Alignas(8) not [[gnu::aligned(8)]], in any context 
where _Alignas is valid.

-- 
Joseph S. Myers
joseph@codesourcery.com